Rates of E. Coli O157 infection by age group.
Downloaded from the Colorado Department of Public Health and Environment, Division of Disease Control and Environmental Epidemiology website.
HE19/400.29/INTERNET
Library has 2006 and 2011.
Downloaded from the Colorado Department of Public Health and Environment, Division of Disease Control and Environmental Epidemiology website.
HE19/400.29/INTERNET
Library has 2006 and 2011.